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6-Phenylamino-N-methylanthrapyridone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21504-69-8

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21504-69-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21504-69-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,5,0 and 4 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 21504-69:
(7*2)+(6*1)+(5*5)+(4*0)+(3*4)+(2*6)+(1*9)=78
78 % 10 = 8
So 21504-69-8 is a valid CAS Registry Number.

21504-69-8Relevant academic research and scientific papers

PIGMENT DISPERSION, AND RESIST COMPOSITION FOR COLOR FILTER AND INK COMPOSITION EACH USING THE PIGMENT DISPERSION

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Paragraph 0074; 0084, (2013/03/26)

To provide a pigment dispersion excellent in dispersibility and spectral characteristics. The pigment dispersion at least includes: a dispersion medium; a compound represented by a general formula (1), the compound being dispersed in the dispersion medium; and a pigment having a quinacridone skeleton, the pigment being dispersed in the dispersion medium: General formula (1) in the general formula (1), R1 and R2 each independently represent a hydrogen atom, an alkyl group, an aryl group, or an aralkyl group.

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